Vol. 23 (Suppl 2) 2002 Neuro endocrinology letters

Does light cause internal cancers? The problem and challenge of an ubiquitous exposure.

: Visible light of sufficient intensity and duration inhibits melatonin biosynthesis, and experimental studies suggest that melatonin may protect against cancer. From a public health point of view it is important to verify or falsify the hypothesis that artificial light--or even sunlight itself--suppresses melatonin production sufficien.....